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$55+ Cheap flights from Kentucky to Missouri

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — STL
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Find flight deals from Kentucky to Missouri

Cheapest flights from Kentucky to Missouri
Explore the most affordable flight options available from Kentucky to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This Frontier deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:52 pmTYS - STL
1 stop18h 22mFrontier
Wed 12/107:43 pmSTL - TYS
1 stop19h 14mFrontier
Deal found 11/9$112
This Expedia deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:57 amCVG - STL
1 stop11h 36mFrontier
Mon 12/159:54 amSTL - CVG
1 stop8h 51mFrontier
Deal found 11/9$130
This FlightHub deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:35 pmBNA - STL
1 stop4h 01mMultiple Airlines
Sat 12/137:43 pmSTL - BNA
1 stop22h 07mMultiple Airlines
Deal found 11/8$151
This Orbitz deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:35 pmBNA - STL
1 stop4h 01mSouthern / Mokulele
Thu 12/49:50 amSTL - BNA
1 stop3h 58mSouthern / Mokulele
Deal found 11/9$172
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:10 amBNA - STL
2 stops24h 37mMultiple Airlines
Sat 12/137:43 pmSTL - BNA
1 stop22h 07mMultiple Airlines
Deal found 11/8$173
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amCVG - STL
2 stops28h 40mFrontier
Wed 12/314:27 pmSTL - CVG
1 stop7h 39mFrontier
Deal found 11/7$184
This Expedia deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:15 amCVG - STL
1 stop19h 42mFrontier
Thu 12/43:30 pmSTL - CVG
1 stop18h 22mFrontier
Deal found 11/10$190
This FlightHub deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:35 pmBNA - STL
1 stop4h 01mMultiple Airlines
Wed 12/37:43 pmSTL - BNA
1 stop23h 03mMultiple Airlines
Deal found 11/9$191
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:35 pmBNA - STL
1 stop4h 01mSouthern / Mokulele
Mon 12/299:50 amSTL - BNA
1 stop3h 58mSouthern / Mokulele
Deal found 11/8$192
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/711:59 amCVG - STL
1 stop22h 53mFrontier
Sun 12/1410:42 amSTL - CVG
1 stop23h 01mFrontier
Deal found 11/7$192
This Southwest deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/63:40 pmBNA - STL
Nonstop1h 20mSouthwest
Mon 12/88:25 amSTL - BNA
Nonstop1h 10mSouthwest
Deal found 11/9$193
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:41 pmBNA - STL
1 stop14h 33mFrontier
Sat 12/137:43 pmSTL - BNA
2 stops17h 22mFrontier
Deal found 11/8$195

Cheap flight deals from Kentucky to Missouri

Keep the following information in mind while searching for Kentucky to Missouri flight deals. Data was last updated November 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$112
(Frontier)

One-way from

$55
(Priceline)

Popular in

May

Cheapest in

August

Average price

$285
Provider with most accurate pricing for Louisville Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Lambert-St Louis flights.
Search Deals
From Kentucky to Missouri
Search Deals
One-way flight from Kentucky to Missouri
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Kentucky to Missouri that are best for you.

Fly from

Kentucky

Fly to

Missouri

Route

Depart

Return

Price

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Thu 12/4

4:52 pm-10:14 am

1 stop18h 22m

Lambert-St Louis

Wed 12/10

7:43 pm-3:57 pm

1 stop19h 14m

$112

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Mon 12/8

2:35 pm-6:36 pm

1 stop4h 01m

Lambert-St Louis

Thu 12/11

9:50 am-1:48 pm

1 stop3h 58m

$172

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Sat 12/6

9:10 am-9:47 am

2 stops24h 37m

Lambert-St Louis

Sat 12/13

7:43 pm-5:50 pm

1 stop22h 07m

$173

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Sat 12/6

8:00 am-2:25 pm

1 stop6h 25m

Lambert-St Louis

Sat 12/13

5:27 pm-9:24 pm

1 stop3h 57m

$191

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Tue 12/2

2:35 pm-6:36 pm

1 stop4h 01m

Lambert-St Louis

Wed 12/3

7:43 pm-6:46 pm

1 stop23h 03m

$191

NashvilleKansas City

BNA - MCI

BNAMCI

Nashville Intl

Fri 1/30

6:25 am-3:33 pm

1 stop9h 08m

Kansas City

Mon 2/2

4:28 pm-7:17 pm

1 stop26h 49m

$192

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Sat 12/6

3:40 pm-5:00 pm

Nonstop1h 20m

Lambert-St Louis

Sat 12/13

7:55 am-9:10 am

Nonstop1h 15m

$193

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Sat 12/6

3:40 pm-5:00 pm

Nonstop1h 20m

Lambert-St Louis

Mon 12/8

8:25 am-9:35 am

Nonstop1h 10m

$193

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Fri 12/12

7:41 pm-10:14 am

1 stop14h 33m

Lambert-St Louis

Sat 12/13

7:43 pm-1:05 pm

2 stops17h 22m

$195

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Tue 3/3

9:24 am-2:49 pm

1 stop5h 25m

Lambert-St Louis

Wed 3/4

10:13 am-4:26 pm

1 stop6h 13m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 60 results
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Best time to book a flight from Kentucky to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Kentucky with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kentucky to Missouri

What is the cheapest month to book a flight from Kentucky to Missouri?

Currently, August is the cheapest month in which you can book a flight from Kentucky to Missouri (average of $164). Flying from Kentucky to Missouri in February is currently the most expensive (average of $234). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KY to MO?

Find hourly flight availability from Kentucky to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2025.

It’s optimal to fly from Kentucky to Missouri at noon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Kentucky to Missouri?

Use this chart to determine the cheapest time to fly round-trip from Kentucky to Missouri. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Kentucky to Missouri flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated November 10, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Kentucky to Missouri have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,012 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,045 reviews
Southwest
8.0
Very good
4,235 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kentucky to Missouri?

    A quick flight from Kentucky to Missouri can take about 4h 01m. Frontier provides one of the quickest options available for as low as $172. The distance from Kentucky to Missouri is about 272 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kentucky to Missouri one-way?

    The cheapest airlines for a one-way flight from Kentucky to Missouri are Frontier ($73), Southern / Mokulele ($82), and Southwest ($89).

  • Can I find deals for flights from Kentucky to Missouri that include hotel bookings?

    Yes. In addition to deals on Kentucky to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Missouri.

  • Can I find deals for business class flights from Kentucky to Missouri?

    Yes. Cheapflights offers flight deals from Kentucky to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kentucky to Missouri?

    Currently, August is the cheapest month in which you can book a flight from Kentucky to Missouri (average of $164). Flying from Kentucky to Missouri in February is currently the most expensive (average of $234). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Kentucky to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Kentucky to Missouri

Discover the top 4 airlines that operate flights from Kentucky to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$351FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$326FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$221Average$430FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$226Average$398FlexibilityNo cancel feeOn-time63%

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